/**
 * 日志打印工具类
 * @description 
 * @author 冯聪
 */
export default class LogUtil {

    /**
     * 是否显示Log
     * @description
     */
    public static ifShowLog: boolean = false;

    /**
     * 标签符号
     * @description 标签与打印内容之间的拼接符号
     */
    private _tagChar: string = "...";

    /**
     * 标签符号
     * @description 标签与打印内容之间的拼接符号
     */
    private _frontChar: string = "    ";

    /**
     * 对象key&value间隔符号
     * @description 打印对象时,key与value之间的拼接符号
     */
    private _keyValueChar: string = " = ";

    /**
     * 打印普通日志
     * @description
     * @param  tag  日志标签(用于标识日志)
     * @param  data 日志内容
     */
    public log(tag: string, ...data: any[]) {
        if (!LogUtil.ifShowLog) {
            return;
        }
        let totalTag = tag + this._tagChar;
        console.log(totalTag, ...data);
    }

    /**
     * 打印普通日志
     * @description
     * @param  tag  日志标签(用于标识日志)
     * @param  data 日志内容
     */
    public logWithColor(tag: string, ...data: any[]) {
        if (!LogUtil.ifShowLog) {
            return;
        }
        let totalTag = tag + this._tagChar;
        console.log("%c " + totalTag, "color: " + LogTagColor.skyblue, ...data);
    }

    /**
     * 打印警告日志
     * @description
     * @param  tag   日志标签(用于标识日志)
     * @param  data  日志内容
     */
    public warn(tag: string, ...data: any[]) {
        if (!LogUtil.ifShowLog) {
            return;
        }
        let totalTag = tag + this._tagChar;
        console.warn("%c " + totalTag, "color: " + LogTagColor.orange, ...data);
    }

    /**
     * 打印错误日志
     * @description
     * @param  tag   日志标签(用于标识日志)
     * @param  data  日志内容
     */
    public error(tag: string, ...data: any[]) {
        if (!LogUtil.ifShowLog) {
            return;
        }
        let totalTag = tag + this._tagChar;
        console.warn("%c " + totalTag, "color: " + LogTagColor.red, ...data);
    }

    /**
     * 打印单个对象日志
     * @description        逐个分层打印所有对象的key,value值
     * @param tag          日志标签(用于标识日志)
     * @param obj          日志对象
     * @param frontStrNum  前缀字符数量(不用填)
     * @returns 
     */
    public logSingle(tag: string, obj: any, frontStrNum: number = 0) {
        if (cc.sys.os != cc.sys.OS_ANDROID) {
            this.log(tag, obj);
            return;
        }
        if (!LogUtil.ifShowLog) {
            return;
        }

        if (obj == null || obj == undefined) {
            return
        }

        if (typeof obj === "number" || typeof obj === "string" || typeof obj === "boolean") {
            this.log(`${this.getFrontStr(frontStrNum)}${tag}`, obj);
        } else {
            let objKeys = Object.keys(obj);
            for (const key of objKeys) {
                if (obj.hasOwnProperty(key)) {
                    let index = objKeys.indexOf(key);
                    if (typeof obj[key] === "object") {
                        this.log(`${this.getFrontStr(frontStrNum)}`, key, ": ")
                        this.logSingle(tag, obj[key], frontStrNum + 1)
                    } else {
                        if (!frontStrNum && index === 0) {
                            this.log(`${this.getFrontStr(frontStrNum)}${tag}\n`, key, this._keyValueChar, obj[key]);
                        }
                        else {
                            this.log(`${this.getFrontStr(frontStrNum)}`, key, this._keyValueChar, obj[key]);
                        }
                    }
                }
            }
        }
    }

    /**
     * 把日志内容拼接成字符串
     * @param data 
     * @returns 
     */
    public getMessage(...data: any[]) {
        let message = "";
        for (var i = 0; i < data.length; i++) {
            let str = data[i];
            let str_new = "";
            //屏蔽逗号
            for (var j = 0; j < str.length; j++) {
                let char: string = str[j];
                str_new += char;
            }
            message += str_new;
        }
        return message;
    }

    /**
     * 获取前缀字符串
     * @description         根据前缀字符串数目生成前缀字符串，用以标记层级
     * @param  frontStrNum  字符串数量
     * @returns             返回前缀字符串(string)
     */
    public getFrontStr(frontStrNum: number): string {
        let str = "";
        if (frontStrNum > 0) {
            for (let i = 0; i < frontStrNum; i++) {
                str += this._frontChar;
            }
            return str;
        }
        return str;
    }
}

/** 日志字体颜色 */
export enum LogTagColor {
    red = "red;font-weight:bold",
    white = "white;font-weight:bold",
    yellow = "yellow;font-weight:bold",
    green = "green;font-weight:bold",
    bule = "blue;font-weight:bold",
    skyblue = "#3DB2EF;font-weight:bold",
    orange = "orange;font-weight:bold",
    black = "black;font-weight:bold"
}